Measurement of the production and lepton charge asymmetry of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$W$$\end{document}W bosons in Pb+Pb collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \us

• Published in: The European physical journal. C, Particles and fields Vol. 75; no. 1
• Main Authors: Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adelman, J., Adomeit, S., Adye, T., Agatonovic-Jovin, T., Aguilar-Saavedra, J. A., Agustoni, M., Ahlen, S. P., Ahmadov, F., Aielli, G., Akerstedt, H., Åkesson, T. P. A., Akimoto, G., Akimov, A. V., Alberghi, G. L., Albert, J., Albrand, S., Alconada Verzini, M. J., Aleksa, M., Aleksandrov, I. N., Alexa, C., Alexander, G., Alexandre, G., Alexopoulos, T., Alhroob, M., Alimonti, G., Alio, L., Alison, J., Allbrooke, B. M. M., Allison, L. J., Allport, P. P., Almond, J., Aloisio, A., Alonso, A., Alonso, F., Alpigiani, C., Altheimer, A., Alvarez Gonzalez, B., Alviggi, M. G., Amako, K., Amaral Coutinho, Y., Amelung, C., Amidei, D., Amor Dos Santos, S. P., Amorim, A., Amoroso, S., Amram, N., Amundsen, G., Anastopoulos, C., Ancu, L. S., Andari, N., Andeen, T., Anders, C. F., Anders, G., Anderson, K. J., Andreazza, A., Andrei, V., Anduaga, X. S., Angelidakis, S., Angelozzi, I., Anger, P., Angerami, A., Anghinolfi, F., Anisenkov, A. V., Anjos, N., Annovi, A., Antonaki, A., Antonelli, M., Antonov, A., Antos, J., Anulli, F., Aoki, M., Aperio Bella, L., Apolle, R., Arabidze, G., Aracena, I., Arai, Y., Araque, J. P., Arce, A. T. H., Arguin, J-F., Argyropoulos, S., Arik, M., Armbruster, A. J., Arnaez, O.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-01-2015
• Subjects: Regular - Experimental Physics
• ISSN: 1434-6044; 1434-6052
• DOI: 10.1140/epjc/s10052-014-3231-6

A measurement of
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W
boson production in lead-lead collisions at
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\begin{document}$$\sqrt{s_{\mathrm {NN}}}=2.76\mathrm {\ TeV}$$\end{document}
s
NN
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2.76
TeV
is presented. It is based on the analysis of data collected with the ATLAS detector at the LHC in 2011 corresponding to an integrated luminosity of 0.14
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\begin{document}$$\mathrm {nb}^{-1}$$\end{document}
nb
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and 0.15
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in the muon and electron decay channels, respectively. The differential production yields and lepton charge asymmetry are each measured as a function of the average number of participating nucleons
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\begin{document}$$\langle N_{\mathrm {part}} \rangle $$\end{document}
⟨
N
part
⟩
and absolute pseudorapidity of the charged lepton. The results are compared to predictions based on next-to-leading-order QCD calculations. These measurements are, in principle, sensitive to possible nuclear modifications to the parton distribution functions and also provide information on scaling of
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boson production in multi-nucleon systems.